Donegal County Council has placed notices on a number of derelict houses throughout the county to get in touch with the owners.
It follows the recent launch of a funding programme to bring such homes and buildings back to residential status.
The council has contacted the owners of dozens of homes in a bid to inform them about grants available to renovate the homes.
However, the owners of a number of homes have not yet been tracked down.
Notices have been placed on homes in a bid to track down the owners.
Included among a number of homes are two large residences in the centre of Letterkenny.
Notices have been placed on the windows of the premises in the hope that the public may know the owners.
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